Hearing to consider the nominations of Mary John Miller, of Maryland, to be an Under Secretary of the Treasury; Alastair M. Fitzpayne, of Maryland, to be a Deputy Under Secretary of the Treasury; Kathleen Kerrigan, of Massachusetts, to be a Judge of the United States Tax Court for the term of fifteen years; and Henry J. Aaron, of the District of Columbia, to be a Member of the Social Security Advisory Board for a term expiring September 30, 2014